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Mitigation Measure. The individual septic systems at the proposed facility should be installed and inspected according to the Regional Water Quality Control Board's standards and the San Joaquin Local Health District"s septic tank and leach field permit requirements. Impact 4 - Storm Drainage Demands Part of the drainage system proposed for the project site consists of an approximate one acre (surface area size) concrete-lined retention basin to be located in the southwestern portion of the proposed facility. The retention basin would collect all runoff from the fenced portion of the site before discharging runoff into Weber Slough. For the waste oil recovery area, the impervious surface area surrounding the waste oil recovery area would be graded in a downward slope surrounded by a two-foot high concrete berm leading to a concrete- lined sump. This bermed area would be a channel for spills and rainwater channelled to flow directly into the sump. The sump would be equipped with a high level switch, which would automatically start the sump pump and pump the liquid to the wastewater holding tank for eventual discharge to the oil water separator for separation and reuse and processing. Mitigation Measure. The entire storm drainage system for the proposed facility should be reviewed by the San Joaquin Country Public Works Department. Also, the size of the retention basin is subject to the approval of the San Joaquin County Department of Public Works. The applicant would be responsible for the connection of the retention basin to the local storm drainage system. Impact 6 - Emergency Response for Hazardous Materials Incident The Collegeville Rural Fire District would not have the special fire-retardant equipment and trained staff to handle or provide back-up support for a hazardous material fire at the proposed facility (Ytutti 1988) . The nearest fire protection authority able to adequately handle a hazardous materials fire would be the Manteca-Lathrop Rural Fire Protection District, which would have a response time of approximately seven minutes. This could pose an additional burden (i .e. , trained 3-17 104-6.R3 4/10/89